gasket between turbo and manifold needed?
#4
I've been using my factory gaskets that came on my car and run many different manifolds and o2 housing with zero issues. If a manifold is built right, and truly decked flat, there is zero issues.
-Collin
-Collin
#5
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If you can, use a new set of gaskets. In general, gaskets undergo a certain amount of permanent plastic deformation upon the first use that isn't recovered. The 2nd time you use the gasket, you're operating on a stiffer portion of the load-deflection curve, which changes the resulting preload in the exhaust manifold capscrews on application of the original assembly torque. This, along with a few other reasons, is the reason new gaskets should be used.
(My background is structural and thermal analysis of manifolds, cylinder heads and blocks and their hot bolted joints for a major engine manufacturer.)
(My background is structural and thermal analysis of manifolds, cylinder heads and blocks and their hot bolted joints for a major engine manufacturer.)
#6
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If you can, use a new set of gaskets. In general, gaskets undergo a certain amount of permanent plastic deformation upon the first use that isn't recovered. The 2nd time you use the gasket, you're operating on a stiffer portion of the load-deflection curve, which changes the resulting preload in the exhaust manifold capscrews on application of the original assembly torque. This, along with a few other reasons, is the reason new gaskets should be used.
(My background is structural and thermal analysis of manifolds, cylinder heads and blocks and their hot bolted joints for a major engine manufacturer.)
(My background is structural and thermal analysis of manifolds, cylinder heads and blocks and their hot bolted joints for a major engine manufacturer.)
Anyways, I would agree. Install your turbo with a new gasket. I completely understand that uncontrollable urge to jump in on something and get it going but do it right the first time. I have had a bad experience with making "assumptions" about reusing parts. Changing out the gasket isn't fun or a quick and easy job. So you wouldn't want to do it again because the gasket went south
I hate to state the obvious to but make sure you torque those things down to spec. Those gaskets are thick but an exhaust leak will eat those things up.
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^^^ Lol I agree. The gasket is fairly cheap and good insurance. I know if you have an 8 you usually have to buy the 9 upgrade kit for a turbo like that, and the kit should come w/ that gasket. And like he said make sure the torque is right, oddly enough the OEM Evo 8 and OEM Evo 9 turbo's have different torque specs for the exh. manifold to turbo nuts and bolts. I think the 9 requires about 10 more ft lbs, but the after market manufacturer usually supplies that info.
Last edited by MileHighX; Apr 3, 2012 at 10:58 PM.
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Reopening thread
I would like to know everyones opinion on this item? Would this fit the Evo 7? Is OEM better & why? http://www.grimmspeed.com/grimmspeed...-turbo-gasket/
I would like to know everyones opinion on this item? Would this fit the Evo 7? Is OEM better & why? http://www.grimmspeed.com/grimmspeed...-turbo-gasket/
#9
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Reopening thread
I would like to know everyones opinion on this item? Would this fit the Evo 7? Is OEM better & why? http://www.grimmspeed.com/grimmspeed...-turbo-gasket/
I would like to know everyones opinion on this item? Would this fit the Evo 7? Is OEM better & why? http://www.grimmspeed.com/grimmspeed...-turbo-gasket/
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